projection.fitExtent(extent, object) Sets the projection’s

d3.geoEquirectangular() d3.geoEquirectangularRaw

identity.reflectX([reflect]) If reflect is specified, sets whether or not the x-dimension is reflected

stream.polygonEnd() Indicates the end of a polygon.

identity.reflectY([reflect]) If reflect is specified, sets whether or not the y-dimension is reflected

path.context([context]) If context is specified, sets the current render context and returns the path generator

d3.geoGraticule10() A convenience method for directly generating the default 10° global graticule as a GeoJSON MultiLineString geometry

d3.geoArea(feature) Returns the spherical area of the specified GeoJSON feature in

d3.geoMercator() d3.geoMercatorRaw

path.bounds(object) Returns the projected planar bounding box (typically in pixels) for the specified GeoJSON object